<template>
  <div class="wrapper" ref="wrapper">
    <div class="content">
      <slot></slot>
    </div>
  </div>
</template>

<script>
import BScroll from '@better-scroll/core'
import ObserveDOM from '@better-scroll/observe-dom'
import Pullup from '@better-scroll/pull-up'

  BScroll.use(ObserveDOM)
  BScroll.use(Pullup)

export default {
  name: "Scroll",
  props:{
    probeType: {
      type:Number,
      default:0
    },
    pullUpLoad:{
      type: Boolean,
      default: false
    },
  },
  data(){
    return {
      scroll: null
    }
  },
  mounted() {
    this.scroll = new BScroll(this.$refs.wrapper,{
      observeDOM: true,
      click: true,
      probeType: this.probeType,
      pullUpLoad: this.pullUpLoad
    })
    this.scroll.on('scroll',(position) => {
      // console.log(position)
      this.$emit("scroll",position)
    })
    this.scroll.on('pullingUp',() =>{
      this.$emit('pullingUp')
    })

  },
  methods:{
    scrollTo(x , y , time= 300){
      this.scroll&& this.scroll.scrollTo(x ,y ,time);
    },
    refresh() {
        this.scroll && this.scroll.refresh()},

    getScrollY(){
      return this.scroll? this.scroll.y : 0
    }
  }
}
</script>

<style scoped>

</style>
